17 00 005 Draining and adding coolant (N52/N52K/N51/N53)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, 2007 BMW 328xi, and 2007 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Danger of scalding!

These tasks on the cooling system should only be carried out on an engine that has cooled down!

IMPORTANT: Lifetime coolant filling:

If removing radiator, oil-water heat exchanger or transmission oil cooler, do not reuse drained coolant!

Installation:

Use only recommended Coolant .

Observe mixture ratio (antifreeze/water).

Recycling

Catch and dispose of drained coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Follow instructions for Working On Cooling System
Remove Front Underbody Protection

Draining coolant:

Open cap (1) on coolant expansion tank (2).

Installation:

Close cap (1) until the arrow marks line up.

Fig 1: Lining Up Coolant Expansion Tank Cap And Tank Marks

G04725828

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock lugs (1) on front axle carrier and remove radiator seal (2) in direction of arrow.

Fig 2: Removing Radiator Cover And Lugs

G04725829

Courtesy of BMW OF NORTH AMERICA, INC.

Open drain plugs (1) on radiator at bottom.

Drain, catch and dispose off coolant.

Installation:

Replace sealing rings.

For tightening torque refer to 17 11 2AZ in 17 11 RADIATOR AND MOUNTING PARTS .

Fig 3: Identifying Drain Plugs On Radiator Bottom

G04725830

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten and detach coolant hose (1) from thermostat housing.

Drain, catch and dispose off coolant.

Fig 4: Identifying Thermostat Housing Coolant Hose

G04725831

Courtesy of BMW OF NORTH AMERICA, INC.

Adding coolant:

Use only recommended Coolant .

Installation:

Observe venting instructions without fail.

Fill And Vent Cooling System.

Check Cooling System For Leaks.